Calculator Tools
Sales Tax Calculator
Add or extract sales tax from amounts.
Invoices, receipts, and business calculations.No-login browser workflow
Interactive tool
This tool runs in your browser. Enable JavaScript to use the interactive features.
Quick Guide
Adds or removes tax from product/service amounts.
- Enter price and tax percentage.
- Select add-tax or remove-tax mode.
- Use final taxable/untaxed output.
Best for: Invoices, receipts, and business calculations.
Why use this tool
Adds or removes tax from product/service amounts. This page is designed for quick completion, but it also needs enough context for first-time visitors to trust what they are using. That means clearer outcomes, repeatable steps, and stronger pathways to related pages.
Common questions
What is the fastest way to use it well?
Follow the three-step workflow shown above, then verify the output before exporting or copying it into a downstream task.
Who is this best for?
Invoices, receipts, and business calculations.